body {
    background-color: aliceblue;
    border: 3px solid #66ccff;
    padding: 10px;
    word-wrap: break-word;
    margin-left: 50px;
    margin-right: 50px;

}

h1 {
    font-family: 华文楷体;
    color: black;
    text-align: center;
    font-size: 50px;
}

h2 {
    font-family: 黑体;
    color: black;
    font-size: 25px;
    transform: translateX(55px)
}

p {
    font-family: 黑体;
    color: black;
    transform: translateX(55px);
    font-size: 20px;
    max-width: 1240px;
}

hr {
    border: 1px solid #66ccff;
}

.a {
    display: flex;
    align-items: center;
}

.information {
    transform: translateX(55px);
}

#avatar {
    transform: translateX(115px);
    border: 3px solid #66ccff;
    padding: 10px;
}

.c {
    transform: translateX(55px);
    font-size: 20px;
}

.etc {
    transform: translateX(55px);
    font-size: 20px;
}

video {
    transform: translateX(55px);
}

.together {
    transform: translateX(230px);
}

table {
    width: 90%;
    border-collapse: collapse;
}

td {
    border: 2px solid #66ccff;
    padding: 8px;
    text-align: center;
}

th {
    border: 2px solid #66ccff;
    padding: 8px;
    text-align: center;
}

#backToTop {
    position: fixed;
    bottom: 20px;
    right: 30px;
    z-index: 99;
    border: none;
    outline: none;
    background-color: #66ccff;
    color: white;
    cursor: pointer;
    padding: 15px;
    border-radius: 10px;
}

#backToTop:hover {
    background-color: #555;
}

footer {
    background-color: #66ccff;
}

